Horror that starts with a mother's panic instead of exposition. Ryoka wakes to increasingly desperate texts, no context, forced to piece together why the world is ending from a parent too terrified to explain it straight. The thing on the roof doesn't matter as much as the fact that her mom knows something catastrophic and can only warn her daughter in fragments. That asymmetry of knowledge, that helplessness of being kept in the dark by the person who's supposed to protect you, becomes scarier than whatever's actually waiting outside.
Ryoka wakes to her phone buzzing with increasingly frantic messages from her mother. Something is wrong, catastrophically wrong, but Mom refuses to explain over text. All she'll say is that Ryoka needs to stay inside, stay quiet, and whatever happens, don't go near the roof of their apartment building. The world outside has transformed overnight. People are vanishing. Strange sounds echo through the city at night. And up above, something massive moves across the rooftops, something that shouldn't exist. Trapped in her apartment as the situation spirals beyond understanding, Ryoka pieces together fragments of information from her mother's cryptic warnings and desperate calls. Every answer only raises more questions. Is anyone else still alive in the building? What exactly is hunting them? And how long can they survive if they can't leave? This six-episode series traps you in mounting dread as a young woman confronts an incomprehensible threat with nothing but four walls and the voice of a frightened parent on the other end of a phone line. Claustrophobia meets cosmic horror in a scenario where running might be just as deadly as staying put.